What does a positive Guaiac (Hemoccult) test result indicate?

A positive Guaiac (Hemoccult) test result indicates the presence of blood in the stool. This test is specifically designed to detect hidden (occult) blood that may not be visible to the naked eye, providing an important diagnostic tool for evaluating potential gastrointestinal bleeding. The presence of blood in the stool can be indicative of various conditions, including gastrointestinal ulcers, cancers, or other sources of bleeding in the digestive tract.

In contrast, the other options pertain to different issues. For instance, the presence of blood in urine is related to conditions affecting the urinary system, not the digestive tract, and would not be identified via a Guaiac test. Similarly, stating that there is no gastrointestinal bleeding directly conflicts with the result indicating blood presence. The presence of worms in stool is unrelated to the Guaiac test, which does not detect parasitic infections but focuses exclusively on blood detection. Thus, a positive result from the Guaiac test is most appropriately associated with blood in the stool.